Round|Natural|GIA

2.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5503666904

Certificate GIA 5503666904

Diamond specifications and retailer prices

From $43,986 USD
£34,635 GBP
As of October 29, 2026
Save $1,678 USD (4%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $45,665 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.6ct natural round diamond

This 2.6ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5503666904. Listed at 2 retailers as of October 29, 2026, with a relatively tight 4% spread, which is unusual at this carat range and suggests competitive pricing across the listings. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.60
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5503666904
Dimensions8.71 × 8.77 × 5.49 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
8.71 mm8.77 mm2.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5503666904
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°CuletDepth 62.8%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $45,665 USD|Low: $45,665 USD|High: $45,665 USD|Avg: $45,665 USD
September 26, 2026
Diamond Quarter$45,665 USD

1 data point across 1 retailer

2 retailers$43,986 USD to $45,665 USD

C
Cheapest Retailer
-
$43,986 USD
£34,635 GBP
Most Expensive
C
Diamond Quarter
2.6SI1H5504535FN · Oct 29
$45,665 USD
£35,956 GBP
View
1 more retailer has this diamond
Prices start from $43,986 USDSave up to $1,678 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

C
2.60ct Round
$43,986 USD